/*
 * Copyright (c) 2019 Contributors to the Eclipse Foundation
 *
 * See the NOTICE file(s) distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0
 *
 * SPDX-License-Identifier: EPL-2.0
 */
package org.eclipse.ditto.services.connectivity.messaging.persistence.strategies.events;

import static org.eclipse.ditto.model.base.common.ConditionChecker.checkNotNull;

import javax.annotation.Nullable;

import org.eclipse.ditto.model.connectivity.Connection;
import org.eclipse.ditto.model.connectivity.ConnectivityStatus;
import org.eclipse.ditto.services.utils.persistentactors.events.EventStrategy;
import org.eclipse.ditto.signals.events.connectivity.ConnectionOpened;

/**
 * This strategy handles the {@link org.eclipse.ditto.signals.events.connectivity.ConnectionOpened} event.
 */
final class ConnectionOpenedStrategy implements EventStrategy<ConnectionOpened, Connection> {

    @Override
    public Connection handle(final ConnectionOpened event, @Nullable final Connection connection,
            final long revision) {
        return checkNotNull(connection, "connection").toBuilder().connectionStatus(ConnectivityStatus.OPEN).build();
    }
}
